1. Physics Department; University of Colorado Boulder; Boulder Colorado USA
2. Institute for Modeling Plasma, Atmospheres and Cosmic Dust; University of Colorado Boulder; Boulder Colorado USA
3. Laboratory for Atmospheric and Space Physics; University of Colorado Boulder; Boulder Colorado USA
4. GSFC NASA; Greenbelt Maryland USA
5. Aerospace Engineering Sciences Department; University of Colorado Boulder; Boulder Colorado USA
6. University of Stuttgart; Institute of Space Systems; Stuttgart Germany